189343154 has 96 divisors (see below), whose sum is σ = 396446400. Its totient is φ = 66648960.

The previous prime is 189343123. The next prime is 189343163. The reversal of 189343154 is 451343981.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 826712 + ... + 826940.

It is an arithmetic number, because the mean of its divisors is an integer number (4129650).

Almost surely, 2^189343154 is an apocalyptic number.

189343154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

189343154 is an abundant number, since it is smaller than the sum of its proper divisors (207103246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189343154 is a wasteful number, since it uses less digits than its factorization.

189343154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 321 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 189343154 is about 13760.2018153805. The cubic root of 189343154 is about 574.2264622970.

It can be divided in two parts, 189 and 343154, that added together give a palindrome (343343).

The spelling of 189343154 in words is "one hundred eighty-nine million, three hundred forty-three thousand, one hundred fifty-four".